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Table 2 Pseudocode of the Stage I in ICASST Scheme

From: Interference-constrained adaptive simultaneous spectrum sensing and data transmission scheme for unslotted cognitive radio network

Stage I Adaptive Transmission
{
   SET the index i to 1;
   Estimate tsp1 with the algorithm stated in Section 4.2;
   Adaptation: Calculate T 1 i according to the algorithm stated in Section 4.1;
   SU Tx sends T 1 i to SU Rx;
   SU Tx transmits data within the transmission time T 1 i ;
   SU Rx feeds the sensing result ChannelState back to SU Rx at the end of T 1 i ;
   i = i + 1;
   IF ChannelState = Busy THEN
CALL Stage II Adaptive Transmission;
   ELSE
GOTO Adaptation;
   END IF
}